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What is used to make the measles vaccine?

weakened measles viruses
dead measles viruses
products of measles viruses
live measles viruses

User Keona
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2 Answers

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To make vaccines a person is inserted with a weakened virus that can be easily fought off in order to make the person immune. Therefore, the answer is weakened measle viruses.
Hope this helps!
User MiscellaneousUser
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Weakened measles virus is the answer.
User Patrick Kwinten
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